r tag

R is a programming language for statistical computing and graphics supported by the R Core Team and the R Foundation for Statistical Computing. Created by statisticians Ross Ihaka and Robert Gentleman, R is used among data miners, bioinformaticians and statisticians for data analysis and developing statistical software. Users have created packages to augment the functions of the R language.

According to user surveys and studies of scholarly literature databases, R is one of the most commonly used programming languages used in data mining. As of March 2022, R ranks 11th in the TIOBE index, a measure of programming language popularity, in which the language peaked in 8th place in August 2020.

The official R software environment is an open-source free software environment within the GNU package, available under the GNU General Public License. It is written primarily in C, Fortran, and R itself (partially self-hosting). Precompiled executables are provided for various operating systems. R has a command line interface. Multiple third-party graphical user interfaces are also available, such as RStudio, an integrated development environment, and Jupyter, a notebook interface.

Reference: WIKIPEDIA

1620 questions


1 answers
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I want to create a new variable by extracting elements that contain a specific string in the contents of a column in R language.

ID Date Day11/1 Sunday22/1 Tuesday/Holiday3 Wednesday, March 1···I would like to treat data like this as a different variable if it includes holidays.ph<-grep(holiday, data)I got the line as , but ...

r
2 years ago

1 answers
33 views
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Heat Map for R

Use the heatmap function to heat map data consisting of variables in R, Japanese language, social studies, mathematics, science, and English.The name is a letter type, and each subject is a score, so ...

r
2 years ago

2 answers
121 views
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Do we need an assembler for an assembler?

BackgroundWhile studying C language compilers, I learned that there was a bootstrap problem, such as Compilers for Compiling C Language…, and that the earliest compilers were implemented in the assemb...

2 years ago

1 answers
80 views
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I want to use javascript to determine the character code of the cursor position and branch conditions.

I'd like to use the macro (javascript) to determine the character code of the cursor and branch the conditions, but I can't find it even after searching, so please let me know.

2 years ago

1 answers
94 views
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treat the path of the tkinter dialog file as an argument

You are currently opening a dialog using tkinter.I got the file path, but I would like to replace it with f1, f2.What should I do?import matplotlib.pyplot as pltimport numpy as npimportosimport tkinte...

2 years ago

1 answers
77 views
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How to Retrieve http Requests in Python

I am currently trying to develop a simple client browser using python. Is there any way I can do this with python?I would appreciate it if you could let me know the Python library I use.1. You can ren...

2 years ago

1 answers
89 views
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Check reference passing when passing objects with heavy C++ generation and release to functions with const

In C++, you may forget to refer to objects with heavy generation and release, such as std::set, when passing them to a function with const.Do you have any existing code review tools or compiler option...

2 years ago

1 answers
101 views
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How to Use Bottle Static_file in Windows 10

I started studying the framework at Spyder 3 (python 3.7).I'm using a bottle, but 404 comes out.Implemented with the following code:The filename is bottle2.py.index.html is located in the folder views...


1 answers
118 views
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How to Handle Exceptions Within the Python Method

I sent a request to TwitterAPI on python3 and wrote the code to store the returned value.①Authenticate OAuth in the library②Send a request to twitterAPI③Storing API request limits in requests_limitIt ...

2 years ago

1 answers
140 views
0
How to Change Legend Labels and Colors in ggplot2

I'd like to change the label in the legend in Rggplot2scale_fill_discreteWe were able to change the legend label by referring to the page above.In addition to this, how do I perform color specificatio...

2 years ago
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